Push button structure

Details Push button structure Push button structure

1998-04-29

2000-05-09

Westin, Edward P.

Electricity: circuit makers and breakers

Special application

Game or amusement piece operated

200345, 250229, H01H 3524

Patent

active

06060672&

ABSTRACT:
A push button structure that is particularly suited for gaming equipment is tolerant of the spillage of food or beverage, or of continued operation thereof by individuals with soiled hands. The push button structure has an actuatable member having an outwardly extending flange and a manipulable portion. A retaining member is provided with an opening through which is exposed the manipulable portion of the actuatable member. A protrusion is formed on the inner surface of the retaining member or on the outer surface of the outwardly extending flange of the actuatable member to prevent the surfaces from communicating with each another over a large contact area. The reduction in the contact area reduces the strength of adhesion therebetween resulting from the contaminants.

REFERENCES:
patent: 4251703 (1981-02-01), Hoeft et al.
patent: 4479111 (1984-10-01), Madsen et al.
patent: 5173578 (1992-12-01), Tama
patent: 5228561 (1993-07-01), Schroder et al.
patent: 5404133 (1995-04-01), Moriike et al.
patent: 5545866 (1996-08-01), Bulin et al.
patent: 5546866 (1996-08-01), Bulin et al.

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